Seiko Cal. 6686 - 510

The Seiko 6686-510 represents an important milestone in Seiko's 1981 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-ecee4db7359f]

Also known as: Navigator, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1981

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